Mercedes-Benz C-Class Operator's Manual page 155

Charging the high-voltage battery (plug-in hybrid vehicles)
then no longer able to provide the normal
electrical power output.
High outside temperatures
To prevent damage to the high-voltage bat-
tery due to very high outside temperatures,
the maximum power output of the high-volt-
age battery is reduced by the vehicle.
Energy consumption and electrical
range
The maximum electrical range is generally
reduced by:
high and low outside temperatures
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operating the climate control system
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switching on consumers
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The battery's physical characteristics are
such that leaving the vehicle parked for long
periods at low outdoor temperatures without
charging it can lead to:
a reduction in battery performance
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longer charge times
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Notes on battery care
Avoid storing or transporting the vehicle in
temperatures that are too high or too low over
a long period (e.g. container transport).
If you park the vehicle and leave it stationary
for longer periods, connect it to a power sup-
ply.
Conditions of use
Please note the information on exceptions
and limitations in warranty documentation
and in the Maintenance Booklet.
Handling the charging cable and charg-
ing cable controls
Do not leave the charging cable controls
( page 154) hanging loose from an electrical
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outlet. Otherwise, this could result in a poor
contact with the electrical outlet and mal-
functions when charging the vehicle.
To ensure that the cable on the controls of the
charging cable is not subjected to incorrect
loads, observe the following:
Never lift the controls up at the charging
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cable connector or the power supply plug.
Do not carry the controls by the charging
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cable connector or the mains plug.
Heat generated by the charging cable
and connector
Pay attention to the "Important safety notes"
( page 151).
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During the charging process, the charging
cable and connector may heat up.
The charging cable and connector will only
heat up within the permissible limiting values,
provided that:
the power supply and the charging cable
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are not damaged
the instructions for handling the charging
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cable and controls on the charging cable
are observed
If the charging cable or plug gets too hot, have
the mains power supply checked.
Protection device against overvoltage
! Overvoltage in the mains supply may
damage the vehicle. For this reason, the
vehicle is equipped with a protection device
against overvoltage in the mains supply.
This device may be triggered during severe
thunderstorms, for example, and may lead
to the building's fuse being tripped and an
interruption in the power supply. These
functions protect the vehicle. After the
building fuse is switched on again, the
charging process resumes automatically.
Following an interruption in the power sup-
ply or tripping of the building's fuse, it may
take up to 10 minutes for charging to
resume automatically.
Switch on the building protection system
again after it has been triggered. Otherwise,
the charging process cannot be continued.
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